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Random URL generation(Close #17)

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This commit is contained in:
Shoji Ihara 2015-08-19 20:35:04 +09:00
parent 2aaa155a3e
commit b15227c696
2 changed files with 35 additions and 11 deletions
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39
app/app.go
View File

@ -1,11 +1,14 @@
package app package app
import ( import (
"crypto/rand"
"encoding/base64" "encoding/base64"
"encoding/json" "encoding/json"
"log" "log"
"math/big"
"net/http" "net/http"
"os/exec" "os/exec"
"strconv"
"strings" "strings"
"syscall" "syscall"
"unsafe" "unsafe"
@ -20,16 +23,18 @@ type App struct {
Address string Address string
Port string Port string
PermitWrite bool PermitWrite bool
RandomUrl bool
Credential string Credential string
Command []string Command []string
} }
func New(address string, port string, permitWrite bool, cred string, command []string) *App { func New(address string, port string, permitWrite bool, cred string, randomUrl bool, command []string) *App {
return &App{ return &App{
Address: address, Address: address,
Port: port, Port: port,
PermitWrite: permitWrite, PermitWrite: permitWrite,
Credential: cred, Credential: cred,
RandomUrl: randomUrl,
Command: command, Command: command,
} }
} }
@ -65,21 +70,24 @@ func basicAuthHandler(h http.Handler, cred string) http.Handler {
} }
func (app *App) Run() error { func (app *App) Run() error {
http.Handle("/", path := "/"
http.FileServer( if app.RandomUrl {
&assetfs.AssetFS{Asset: Asset, AssetDir: AssetDir, Prefix: "bindata"}, randomPath := generateRandomString(8)
), path = "/" + randomPath + "/"
) }
http.HandleFunc("/ws", app.generateHandler())
url := app.Address + ":" + app.Port fs := http.StripPrefix(path, http.FileServer(&assetfs.AssetFS{Asset: Asset, AssetDir: AssetDir, Prefix: "bindata"}))
log.Printf("Server is running at %s, command: %s", url, strings.Join(app.Command, " ")) http.Handle(path, fs)
http.HandleFunc(path+"ws", app.generateHandler())
endpoint := app.Address + ":" + app.Port
log.Printf("Server is running at %s, command: %s", endpoint+path, strings.Join(app.Command, " "))
handler := http.Handler(http.DefaultServeMux) handler := http.Handler(http.DefaultServeMux)
handler = loggerHandler(handler) handler = loggerHandler(handler)
if app.Credential != "" { if app.Credential != "" {
handler = basicAuthHandler(handler, app.Credential) handler = basicAuthHandler(handler, app.Credential)
} }
err := http.ListenAndServe(url, handler) err := http.ListenAndServe(endpoint, handler)
if err != nil { if err != nil {
return err return err
} }
@ -227,3 +235,14 @@ type command struct {
Name string `json:"name"` Name string `json:"name"`
Arguments map[string]interface{} `json:"arguments"` Arguments map[string]interface{} `json:"arguments"`
} }
func generateRandomString(length int) string {
const base = 36
size := big.NewInt(base)
n := make([]byte, length)
for i, _ := range n {
c, _ := rand.Int(rand.Reader, size)
n[i] = strconv.FormatInt(c.Int64(), base)[0]
}
return string(n)
}

7
main.go
View File

@ -37,6 +37,11 @@ func main() {
Usage: "Credential for Basic Authentication (ex: user:pass)", Usage: "Credential for Basic Authentication (ex: user:pass)",
EnvVar: "GOTTY_CREDENTIAL", EnvVar: "GOTTY_CREDENTIAL",
}, },
cli.BoolFlag{
Name: "random-url, r",
Usage: "Add a random string to the URL",
EnvVar: "GOTTY_RANDOM_URL",
},
} }
cmd.Action = func(c *cli.Context) { cmd.Action = func(c *cli.Context) {
if len(c.Args()) == 0 { if len(c.Args()) == 0 {
@ -44,7 +49,7 @@ func main() {
cli.ShowAppHelp(c) cli.ShowAppHelp(c)
os.Exit(1) os.Exit(1)
} }
app := app.New(c.String("addr"), c.String("port"), c.Bool("permit-write"), c.String("credential"), c.Args()) app := app.New(c.String("addr"), c.String("port"), c.Bool("permit-write"), c.String("credential"), c.Bool("random-url"), c.Args())
err := app.Run() err := app.Run()
if err != nil { if err != nil {
fmt.Println(err) fmt.Println(err)